1025742613 has 8 divisors (see below), whose sum is σ = 1175474432. Its totient is φ = 876810096.

The previous prime is 1025742611. The next prime is 1025742623. The reversal of 1025742613 is 3162475201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1025742613 - 2¹ = 1025742611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025742611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197070 + ... + 202207.

It is an arithmetic number, because the mean of its divisors is an integer number (146934304).

Almost surely, 2^1025742613 is an apocalyptic number.

It is an amenable number.

1025742613 is a deficient number, since it is larger than the sum of its proper divisors (149731819).

1025742613 is an equidigital number, since it uses as much as digits as its factorization.

1025742613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399651.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1025742613 is about 32027.2167538798. The cubic root of 1025742613 is about 1008.5082749506.

The spelling of 1025742613 in words is "one billion, twenty-five million, seven hundred forty-two thousand, six hundred thirteen".